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ROCKFORD FOSGATE Power marine amp, 400 watt 4 channel

Item: TM400X4AD
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Rockford Fosgate TM400X4ad Power Marine Amplifier

400 Watt Class-AD 4-Channel Amplifier

Rockford Fosgate Marine Amplifiers are designed to weather the toughest environments while keeping the boat rockin'.Rockford Fosgate marine amps conform to protection standards, so they will continue delivering power needed for a fun day on the water.

The TM400X4ad is a 400 Watt 4-channel amplifier with high efficiency Class-ad technology and a conformal coated pc board designed for motorsport and marine applications.

The Power TM400X4ad 400 Watt 4-channel ultra-compact, amplifier is built on Rockford Fosgate’s proprietary Class-AD technology, featuring Constant Power to produce the same output at both 4-Ohm and 2-Ohm impedances. Flexible vehicle integration enabled through low-level and high-level inputs with auto turn-on. Top mounted controls allow easy access to built-in crossover and C.L.E.A.N. input/output clip detection circuits. The 3-stage thermal lock extrusion with dual fan forced induction keeps everything cool while real-time thermal/protection schemes safeguard the amplifier.


  • Rockford Fosgate proprietary Class-AD technology
  • 4/2 Ohm muti-impedance Constant Power
  • Differential inputs with high level auto turn-on feature
  • 8 AWG power/ground connector w/ upgraded RCA connectors
  • Remote-Out feature when using high level inputs
  • 2/4 channel input switch
  • 4 Ohm bridged capable
  • C.L.E.A.N. input/output clip detection and indicator LEDs
  • Top mounted controls
  • Dual fan cooled
  • Real time thermal sensing
  • Dual extruded heat sinks
  • Discrete surface mount technology
  • Marine grade two part epoxy coating on circuit boards
  • 2 Years Standard Warranty


Item number: TM400X4AD
UPC: 780687345150
Package weight: 3.4 lb

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